/*
 * Copyright 2009 The Apache Software Foundation Licensed under the Apache
 * License, Version 2.0 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law
 * or agreed to in writing, software distributed under the License is
 * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */

package org.apache.ibatis.ibator.generator.ibatis3.xmlmapper.elements;

import org.apache.ibatis.ibator.api.dom.xml.Attribute;
import org.apache.ibatis.ibator.api.dom.xml.TextElement;
import org.apache.ibatis.ibator.api.dom.xml.XmlElement;

/**
 * @author Jeff Butler
 */
public class CountByExampleElementGenerator extends AbstractXmlElementGenerator
{

	public CountByExampleElementGenerator()
	{
		super();
	}

	@Override
	public void addElements(XmlElement parentElement)
	{
		XmlElement answer = new XmlElement("select"); //$NON-NLS-1$

		String fqjt = introspectedTable.getExampleType();

		answer.addAttribute(new Attribute(
				"id", introspectedTable.getCountByExampleStatementId())); //$NON-NLS-1$
		answer.addAttribute(new Attribute("parameterType", fqjt)); //$NON-NLS-1$
		answer.addAttribute(new Attribute("resultType", "java.lang.Integer")); //$NON-NLS-1$ //$NON-NLS-2$

		ibatorContext.getCommentGenerator().addComment(answer);

		StringBuilder sb = new StringBuilder();
		sb.append("select count(*) from "); //$NON-NLS-1$
		sb.append(introspectedTable
				.getAliasedFullyQualifiedTableNameAtRuntime());
		answer.addElement(new TextElement(sb.toString()));
		answer.addElement(getExampleIncludeElement());

		if (ibatorContext.getPlugins().sqlMapCountByExampleElementGenerated(
				answer, introspectedTable))
		{
			parentElement.addElement(answer);
		}
	}
}
